19167720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1117}}^1$

素因数の和:1155

約数の個数: 128

約数和(自身を含む): 67616640

約数和(自身を除く): 48448920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 26, 30, 33, 39, 40, 44, 52, 55, 60, 65, 66, 78, 88, 104, 110, 120, 130, 132, 143, 156, 165, 195, 220, 260, 264, 286, 312, 330, 390, 429, 440, 520, 572, 660, 715, 780, 858, 1117, 1144, 1320, 1430, 1560, 1716, 2145, 2234, 2860, 3351, 3432, 4290, 4468, 5585, 5720, 6702, 8580, 8936, 11170, 12287, 13404, 14521, 16755, 17160, 22340, 24574, 26808, 29042, 33510, 36861, 43563, 44680, 49148, 58084, 61435, 67020, 72605, 73722, 87126, 98296, 116168, 122870, 134040, 145210, 147444, 159731, 174252, 184305, 217815, 245740, 290420, 294888, 319462, 348504, 368610, 435630, 479193, 491480, 580840, 638924, 737220, 798655, 871260, 958386, 1277848, 1474440, 1597310, 1742520, 1916772, 2395965, 3194620, 3833544, 4791930, 6389240, 9583860, 19167720]

約数ペア:

[(1, 19167720), (2, 9583860), (3, 6389240), (4, 4791930), (5, 3833544), (6, 3194620), (8, 2395965), (10, 1916772), (11, 1742520), (12, 1597310), (13, 1474440), (15, 1277848), (20, 958386), (22, 871260), (24, 798655), (26, 737220), (30, 638924), (33, 580840), (39, 491480), (40, 479193), (44, 435630), (52, 368610), (55, 348504), (60, 319462), (65, 294888), (66, 290420), (78, 245740), (88, 217815), (104, 184305), (110, 174252), (120, 159731), (130, 147444), (132, 145210), (143, 134040), (156, 122870), (165, 116168), (195, 98296), (220, 87126), (260, 73722), (264, 72605), (286, 67020), (312, 61435), (330, 58084), (390, 49148), (429, 44680), (440, 43563), (520, 36861), (572, 33510), (660, 29042), (715, 26808), (780, 24574), (858, 22340), (1117, 17160), (1144, 16755), (1320, 14521), (1430, 13404), (1560, 12287), (1716, 11170), (2145, 8936), (2234, 8580), (2860, 6702), (3351, 5720), (3432, 5585), (4290, 4468)]